{"id":2230,"date":"2026-08-04T16:21:03","date_gmt":"2026-08-04T16:21:03","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/can-plantuml-draw-erd-complete-guide-free-tool\/"},"modified":"2026-08-04T16:21:03","modified_gmt":"2026-08-04T16:21:03","slug":"can-plantuml-draw-erd-complete-guide-free-tool","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/ja\/can-plantuml-draw-erd-complete-guide-free-tool\/","title":{"rendered":"PlantUML \u306f ERD \u3092\u63cf\u753b\u3067\u304d\u307e\u3059\u304b\uff1f\u5b8c\u5168\u30ac\u30a4\u30c9\u3068\u7121\u6599\u30c4\u30fc\u30eb"},"content":{"rendered":"<p><strong>\u306f\u3044\u3001PlantUML \u306f ERD\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u56f3\uff09\u3092\u63cf\u753b\u3067\u304d\u307e\u3059\u3002<\/strong>PlantUML \u306f\u3001\u6a19\u6e96\u7684\u306a\u60c5\u5831\u5de5\u5b66\uff08\u30ab\u30e9\u30b9\u306e\u8db3\uff09\u8a18\u6cd5\u304a\u3088\u3073\u53e4\u5178\u7684\u306a Chen ERD \u8a18\u6cd5\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u8005\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306f\u3001\u8996\u899a\u7684\u8981\u7d20\u3092\u624b\u52d5\u3067\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30af\u30ea\u30fc\u30f3\u3067\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u53ef\u80fd\u306a ER \u56f3\u3092\u8fc5\u901f\u306b\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e3b\u30ad\u30fc\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3001\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306e\u5b9a\u7fa9\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u95a2\u4fc2\u306e\u53ef\u8996\u5316\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u306b\u304b\u304b\u308f\u3089\u305a\u3001PlantUML \u306f\u67d4\u8edf\u306a\u30b3\u30fc\u30c9\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001PlantUML \u306e ERD \u69cb\u6587\u3001\u30ab\u30fc\u30c7\u30a3\u30ca\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u300c<strong>\u7121\u6599\u306e PlantUML \u30c4\u30fc\u30eb\u300d\u3092\u4f7f\u7528\u3057\u3066\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u52b9\u7387\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30d7\u30ec\u30d3\u30e5\u30fc\u6a5f\u80fd\u3092\u5099\u3048\u305f<\/p>\n<p><img fetchpriority=\"high\" alt=\"A split screen illustrating the Diagram-as-Code concept, showing PlantUML code generating a database Entity-Relationship Diagram with crow's foot relationships.\" class=\"alignnone size-full wp-image-1826\" decoding=\"async\" fetchpriority=\"high\" height=\"816\" sizes=\"(max-width: 1312px) 100vw, 1312px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide.jpg\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide.jpg 1312w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-300x187.jpg 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-1024x637.jpg 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-768x478.jpg 768w\" width=\"1312\"\/><\/p>\n<hr \/>\n<h2>\u306f\u3044\u3001PlantUML \u306f ERD \u3092\u63cf\u753b\u3067\u304d\u307e\u3059\uff1a\u30af\u30a4\u30c3\u30af\u56de\u7b54\u3068\u4e3b\u8981\u6a5f\u80fd<\/h2>\n<p>PlantUML \u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u30c6\u30ad\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u6a19\u6e96\u3067\u5305\u62ec\u7684\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u56f3\u306e\u4f5c\u6210\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u6a19\u6e96\u62e1\u5f35\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3092\u30af\u30ea\u30fc\u30f3\u304b\u3064\u6c7a\u5b9a\u8ad6\u7684\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<h3>PlantUML \u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b ERD \u8a18\u6cd5\uff08\u6a19\u6e96 vs. Chen ERD\uff09<\/h3>\n<p>PlantUML \u306f\u3001ER \u56f3\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b 2 \u3064\u306e\u4e3b\u8981\u306a\u30b9\u30bf\u30a4\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u60c5\u5831\u5de5\u5b66\uff08IE\uff09\u8a18\u6cd5\uff1a<\/strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u30ab\u30e9\u30b9\u306e\u8db3\u8a18\u6cd5\u3067\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u660e\u793a\u7684\u306a\u4e3b\u30ad\u30fc\u304a\u3088\u3073\u5916\u90e8\u30ad\u30fc\u30de\u30fc\u30ab\u30fc\u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3068\u3057\u3066\u63cf\u753b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Chen ERD \u8a18\u6cd5\uff1a<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u9577\u65b9\u5f62\u3001\u5c5e\u6027\u3092\u6955\u5186\u3001\u95a2\u4fc2\u3092\u83f1\u5f62\u3067\u8868\u3059\u6982\u5ff5\u30e2\u30c7\u30ea\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>\u57fa\u672c\u7684\u306a PlantUML ERD \u69cb\u6587\u3068\u30b3\u30fc\u30c9\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u306f\u3001\u6a19\u6e96\u7684\u306a\u30ab\u30e9\u30b9\u306e\u8db3\u8a18\u6cd5\u3092\u4f7f\u7528\u3057\u305f PlantUML \u30b9\u30af\u30ea\u30d7\u30c8\u3067\u8a18\u8ff0\u3055\u308c\u305f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb ERD \u306e\u6700\u5c0f\u9650\u306e\u52d5\u4f5c\u4f8b\u3067\u3059\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP1FYy8m4CNlWNo7sPvKjg225n6nk2uMhOfMhoNR36oWQIIT7aJzxgQr_c4lEwSPteFVUpCfI5WgTSRP1_sYHZXcGkMSaJa26VWnH4Q3L1PJKiO9d65EYaxWxGkq7eW2IhV0cJDmqwclH4aOGhYAOJJQBCRZk-Rx3mzgeJBdE0JRwJpOjlg3GVkXfHO5eKm4EKCSHhDT74GRpgxlxBML3TnKsujUd__X_qRyVdewhZI9B17Qb7aLu6is3QDWsUfrF_lj9aJTztBnVNDky4FmtDzIB3pE9fXBzz0R\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>VPasCode \u3067 PlantUML \u3092\u7de8\u96c6<\/span>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VP3D2i8m48JlUOgr9nKBAdWH4Oi_MBGgMhsMs2mOQ199jmTHtzsqL0KFxccM6VXsPv8JjrIeZ3NeWWhXcd6f6Paha86p8J8AXBIOaZIQCTGawGRUCKVh0S-XS0Bk3DoqgoMH0eOGRc8OZNQhyRYoVBzEeE8oS_ufs4-NmRxP7mnQjPLQv8GYuUJyE8pcXpY8TkpvXMwjgAccL1zijVtd_bwsU2VQxa_YMSALANH9disdOHIicxrkfzygwTM7ZuVlctlD7OBdQaenzzW4jN3jlG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\n!theme plain\ntop to bottom direction\n\nentity \"User\" as user {\n    * user_id : INT &lt;&lt;PK&gt;&gt;\n    --\n    * email : VARCHAR(255)\n    * created_at : TIMESTAMP\n}\n\nentity \"Order\" as order {\n    * order_id : INT &lt;&lt;PK&gt;&gt;\n    --\n    * user_id : INT &lt;&lt;FK&gt;&gt;\n    * total_amount : DECIMAL(10,2)\n}\n\nuser ||--o{ order : \"places\"\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VP3D2i8m48JlUOgr9nKBAdWH4Oi_MBGgMhsMs2mOQ199jmTHtzsqL0KFxccM6VXsPv8JjrIeZ3NeWWhXcd6f6Paha86p8J8AXBIOaZIQCTGawGRUCKVh0S-XS0Bk3DoqgoMH0eOGRc8OZNQhyRYoVBzEeE8oS_ufs4-NmRxP7mnQjPLQv8GYuUJyE8pcXpY8TkpvXMwjgAccL1zijVtd_bwsU2VQxa_YMSALANH9disdOHIicxrkfzygwTM7ZuVlctlD7OBdQaenzzW4jN3jlG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n             <\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP1FYy8m4CNlWNo7sPvKjg225n6nk2uMhOfMhoNR36oWQIIT7aJzxgQr_c4lEwSPteFVUpCfI5WgTSRP1_sYHZXcGkMSaJa26VWnH4Q3L1PJKiO9d65EYaxWxGkq7eW2IhV0cJDmqwclH4aOGhYAOJJQBCRZk-Rx3mzgeJBdE0JRwJpOjlg3GVkXfHO5eKm4EKCSHhDT74GRpgxlxBML3TnKsujUd__X_qRyVdewhZI9B17Qb7aLu6is3QDWsUfrF_lj9aJTztBnVNDky4FmtDzIB3pE9fXBzz0R\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>VPasCode \u3067 PlantUML \u3092\u7de8\u96c6<\/span>\n<\/a>\n<\/div>\n<\/div>\n<p>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f ERD \u753b\u50cf\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<br \/>\n<img alt=\"An example ERD editing in Visual Paradigm's VPasCode\" class=\"alignnone wp-image-1844 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-768x480.png 768w\" width=\"1192\"\/><\/p>\n<hr \/>\n<h2>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\uff1aPlantUML \u3067\u6700\u521d\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u56f3\u3092\u66f8\u304f<\/h2>\n<p>PlantUML \u3067 ERD \u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5b9a\u7fa9\u3001\u30c7\u30fc\u30bf\u578b\u3068\u5236\u7d04\u306e\u5272\u308a\u5f53\u3066\u3001\u304a\u3088\u3073\u9069\u5207\u306a\u30ab\u30fc\u30c7\u30a3\u30ca\u30ea\u30c6\u30a3\u30b3\u30cd\u30af\u30bf\u306b\u3088\u308b\u95a2\u4fc2\u306e\u5ba3\u8a00\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u5c5e\u6027\u3001\u4e3b\u30ad\u30fc\/\u5916\u90e8\u30ad\u30fc\u306e\u5b9a\u7fa9<\/h3>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u300c<code>entity<\/code>\u300d\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3057\u307e\u3059\u3002\u5c5e\u6027\u306f\u4e2d\u62ec\u5f27\u5185\u306b\u30ea\u30b9\u30c8\u3055\u308c\u307e\u3059\u3002\u30c0\u30c3\u30b7\u30e5\u533a\u5207\u308a\uff08&#8211;\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u5217\u3092\u6574\u7406\u3067\u304d\u307e\u3059\u3002<code>--<\/code>\u300d\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3057\u307e\u3059\u3002\u5c5e\u6027\u306f\u4e2d\u62ec\u5f27\u5185\u306b\u30ea\u30b9\u30c8\u3055\u308c\u307e\u3059\u3002\u30c0\u30c3\u30b7\u30e5\u533a\u5207\u308a\uff08&#8211;\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u5217\u3092\u6574\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u30ad\u30fc\uff08PK\uff09\uff1a<\/strong>\u30a2\u30b9\u30bf\u30ea\u30b9\u30af (&#8221; \u3067\u793a\u3055\u308c\u307e\u3059<code>*<\/code>) \u3067\u30bf\u30b0\u4ed8\u3051\u3055\u308c\u3001&#8221;<code>&lt;&lt;PK&gt;&gt;<\/code>.<\/li>\n<li><strong>\u5916\u90e8\u30ad\u30fc (FK):<\/strong> &#8220;\u3067\u30de\u30fc\u30af\u3055\u308c\u307e\u3059<code>&lt;&lt;FK&gt;&gt;<\/code>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u53c2\u7167\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9:<\/strong>\u30a2\u30b9\u30bf\u30ea\u30b9\u30af (&#8220;\u3092\u4f7f\u7528\u3057\u3066\u5f37\u8abf\u8868\u793a\u3055\u308c\u307e\u3059<code>*<\/code>) \u304c\u5217\u540d\u306e\u524d\u306b\u4ed8\u4e0e\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u57fa\u6570\u3068\u95a2\u4fc2\u30bf\u30a4\u30d7 (1:1, 1:N, N:M)<\/h3>\n<p>\u95a2\u4fc2\u7dda\u306f\u30c6\u30fc\u30d6\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002PlantUML \u306f\u3001\u30ab\u30e9\u30b9\u306e\u8db3\u30b3\u30cd\u30af\u30bf\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u7279\u5b9a\u306e\u7279\u5fb4\u6587\u5b57\u7d44\u307f\u5408\u308f\u305b\u3092\u4f7f\u7528\u3057\u307e\u3059:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u69cb\u6587<\/th>\n<th>\u8a18\u6cd5\u306e\u610f\u5473<\/th>\n<th>\u95a2\u4fc2\u30bf\u30a4\u30d7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>||--||<\/code><\/td>\n<td>\u3061\u3087\u3046\u3069 1 \u3064\u304b\u3089\u3061\u3087\u3046\u3069 1 \u3064<\/td>\n<td>1 \u5bfe 1 (1:1)<\/td>\n<\/tr>\n<tr>\n<td><code>||--o{<\/code><\/td>\n<td>\u3061\u3087\u3046\u3069 1 \u3064\u304b\u3089 0 \u4ee5\u4e0a<\/td>\n<td>1 \u5bfe\u591a (1:N)<\/td>\n<\/tr>\n<tr>\n<td><code>}|--|{<\/code><\/td>\n<td>1 \u4ee5\u4e0a\u304b\u3089 1 \u4ee5\u4e0a<\/td>\n<td>\u591a\u5bfe\u591a (N:M)<\/td>\n<\/tr>\n<tr>\n<td><code>|o--o{<\/code><\/td>\n<td>0 \u307e\u305f\u306f 1 \u304b\u3089 0 \u4ee5\u4e0a<\/td>\n<td>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e 1 \u5bfe\u591a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>PlantUML ERD\u306e\u4e00\u822c\u7684\u306a\u8ab2\u984c\u3068\u5236\u9650\u306e\u514b\u670d<\/h2>\n<p>PlantUML\u306f\u5f37\u529b\u3067\u3059\u304c\u3001\u30ed\u30fc\u30ab\u30ebCLI\u30c4\u30fc\u30eb\u3084\u30b5\u30fc\u30d0\u30fc\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u6271\u3046\u3053\u3068\u306f\u3001\u958b\u767a\u8005\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u6469\u64e6\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u69cb\u6587\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068AI\u306b\u3088\u308b\u30a8\u30e9\u30fc\u4fee\u6b63<\/h3>\n<p>PlantUML\u3067\u62ec\u5f27\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u304b\u3001\u7121\u52b9\u306a\u95a2\u4fc2\u69cb\u6587\u304c\u3042\u308b\u3068\u3001\u660e\u78ba\u306a\u30c7\u30d0\u30c3\u30b0\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306a\u3057\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u505c\u6b62\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u5185\u306e\u30bf\u30a4\u30d7\u30df\u30b9\u3092\u767a\u898b\u3059\u308b\u306b\u306f\u3001\u8cb4\u91cd\u306a\u958b\u767a\u6642\u9593\u3092\u8981\u3057\u307e\u3059\u3002<\/p>\n<h3>\u8907\u96d1\u306a\u30b9\u30ad\u30fc\u30de\u306e\u7ba1\u7406\u3068\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u53ef\u8aad\u6027<\/h3>\n<p>\u30b9\u30ad\u30fc\u30de\u304c\u6570\u5341\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u62e1\u5927\u3059\u308b\u3068\u3001Graphviz\u306e\u81ea\u52d5\u30ec\u30a4\u30a2\u30a6\u30c8\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u91cd\u306a\u308a\u5408\u3046\u95a2\u4fc2\u7dda\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u958b\u767a\u8005\u306f\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u52b9\u7387\u7684\u306b\u8abf\u6574\u3059\u308b\u305f\u3081\u306b\u3001\u5373\u5ea7\u306e\u8996\u899a\u7684\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u63d0\u4f9b\u3059\u308b\u30c4\u30fc\u30eb\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>VPasCode\u3068AI\u306b\u3088\u308bPlantUML ERD\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u52b9\u7387\u5316<\/h2>\n<p>\u4fe1\u983c\u3067\u304d\u308b<strong>\u7121\u6599\u306ePlantUML ERD\u30a8\u30c7\u30a3\u30bf<\/strong>\u3067\u3001\u30ed\u30fc\u30ab\u30eb\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u624b\u9593\u3092\u6392\u9664\u3057\u3001<a href=\"https:\/\/vpascode.com\" rel=\"noopener\" target=\"_blank\">Visual Paradigm VPasCode<\/a>\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6AI\u6a5f\u80fd\u3092\u5099\u3048\u305f\u5b8c\u5168\u306a\u30aa\u30f3\u30e9\u30a4\u30f3\u30d6\u30e9\u30a6\u30b6\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p id=\"oICzpPg\"><img alt=\"Screenshot of Visual Paradigm VPasCode editing an PlantUML ERD in its PlantUML editor\" class=\"alignnone wp-image-1831 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-768x480.png 768w\" width=\"1192\"\/><\/p>\n<h3>\u5373\u6642\u306eAI\u306b\u3088\u308b\u56f3\u306e\u751f\u6210\u3068\u5909\u66f4<\/h3>\n<p>\u5f53\u793e\u306e<a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-ai-diagram-generation-code-modification-update\/\" rel=\"noopener\" target=\"_blank\">VPasCode\u306e\u4e3b\u8981\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\uff1aAI\u3067\u56f3\u3092\u5373\u6642\u751f\u6210\u30fb\u5909\u66f4<\/a>\u3001\u81ea\u7136\u8a00\u8a9e\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u624b\u52d5\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u30b9\u30ad\u30c3\u30d7\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070<em>\u300cEC\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7528\u306ePlantUML\u3067ERD\u3092\u751f\u6210\u3059\u308b\u300d<\/em>\u2014\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30c7\u30a3\u30bf\u5185\u3067\u6570\u79d2\u3067\u30b9\u30ad\u30fc\u30de\u3092\u65b0\u898f\u4f5c\u6210\u304a\u3088\u3073\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u5373\u6642\u306e\u30d6\u30e9\u30a6\u30b6\u30d9\u30fc\u30b9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u81ea\u52d5\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u691c\u51fa<\/h3>\n<p>VPasCode\u306f\u3001\u76f4\u611f\u7684\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4e0d\u8981\u306e<strong>\u7121\u6599\u306ePlantUML\u30c4\u30fc\u30eb<\/strong>\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8cbc\u308a\u4ed8\u3051\u308b\u304b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d7\u30ed\u30f3\u30d7\u30c8\u3068\u3057\u3066\u30a8\u30c7\u30a3\u30bf\u306b\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u81ea\u52d5\u7684\u306bPlantUML\u69cb\u6587\u3092\u691c\u51fa\u3057\u3001ERD\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<h3>AI\u7ffb\u8a33\u306b\u3088\u308b\u591a\u8a00\u8a9e\u56f3<\/h3>\n<p>\u5206\u6563\u3057\u305f\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u3067\u4f5c\u696d\u3059\u308b\u969b\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30ed\u30fc\u30ab\u30e9\u30a4\u30ba\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002VPasCode\u306b\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u306eAI\u7ffb\u8a33\u6a5f\u80fd\u304c\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u30a8\u30c7\u30a3\u30bf\u5185\u3067\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u56f3\u306e\u30c6\u30ad\u30b9\u30c8\u3084\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30e9\u30d9\u30eb\u3092\u8907\u6570\u306e\u8a00\u8a9e\u306b\u7ffb\u8a33\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>ERD\u306e\u51fa\u529b\u3068OpenDocs\u304a\u3088\u3073\u6280\u8853\u4ed5\u69d8\u66f8\u3078\u306e\u57cb\u3081\u8fbc\u307f<\/h3>\n<p>ERD\u304c\u5b8c\u6210\u3057\u305f\u3089\u3001\u9ad8\u89e3\u50cf\u5ea6\u306ePNG\u307e\u305f\u306f\u30d9\u30af\u30bf\u30fcSVG\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u30c7\u30b6\u30a4\u30f3\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u56f3\u3092OpenDocs\u306b\u76f4\u63a5\u7d71\u5408\u3057\u305f\u308a\u3001\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30c7\u30b6\u30a4\u30f3\u30ec\u30d3\u30e5\u30fc\u7528\u306e\u5373\u6642\u5171\u6709\u30ea\u30f3\u30af\u3092\u751f\u6210\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><em>\uff08\u6ce8\uff1a\u9ad8\u5ea6\u306aAI\u306b\u3088\u308b\u56f3\u306e\u751f\u6210\u3001\u30b3\u30fc\u30c9\u5909\u66f4\u3001\u30a8\u30e9\u30fc\u4fee\u6b63\u6a5f\u80fd\u306f\u3001Visual Paradigm Online Deluxe Edition \/ Visual Paradigm Desktop Professional Edition+\u3067\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\uff09<\/em><\/p>\n<hr \/>\n<h2>PlantUML vs. Mermaid vs. SQL\uff1a\u9069\u5207\u306aDiagram-as-Code\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u9078\u629e<\/h2>\n<p>\u9069\u5207\u306aDiagram-as-Code\uff08DaC\uff09\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u9078\u629e\u306f\u3001\u30c1\u30fc\u30e0\u306e\u65e2\u5b58\u306e\u30c4\u30fc\u30eb\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306bPlantUML\u3068Mermaid\u306e\u3069\u3061\u3089\u3092\u4f7f\u7528\u3059\u3079\u304d\u304b<\/h3>\n<ul>\n<li><strong>PlantUML \u3092\u9078\u629e:<\/strong>\u9ad8\u5ea6\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u6a5f\u80fd\u3001\u30ab\u30b9\u30bf\u30e0\u30b9\u30bf\u30a4\u30eb\u30c6\u30fc\u30de\u3001Chen ERD \u30b5\u30dd\u30fc\u30c8\u3001\u307e\u305f\u306f\u8907\u96d1\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u30b0\u30eb\u30fc\u30d7\u5316\u304c\u5fc5\u8981\u306a\u5834\u5408\u3002<\/li>\n<li><strong>Mermaid \u3092\u9078\u629e:<\/strong>GitHub Markdown \u30d5\u30a1\u30a4\u30eb\u5185\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u30b7\u30f3\u30d7\u30eb\u3067\u8efd\u91cf\u306a\u69cb\u6587\u3092\u597d\u3080\u5834\u5408\u3002<\/li>\n<\/ul>\n<blockquote style=\"background: #f9f9f9; border-left: 4px solid #0073aa; padding: 10px 15px; margin: 15px 0;\"><p><strong>\u30d7\u30ed\u306e\u30d2\u30f3\u30c8:<\/strong>VPasCode \u306f PlantUML \u3068 Mermaid \u306e\u4e21\u65b9\u306e\u5f62\u5f0f\u3092\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5909\u66f4\u305b\u305a\u306b\u3001\u540c\u3058\u30a8\u30c7\u30a3\u30bf\u5185\u3067 DSL \u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><\/blockquote>\n<h3>\u751f SQL \u30b9\u30ad\u30fc\u30de\u304b\u3089\u76f4\u63a5 ERD \u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/h3>\n<p>Diagram-as-Code DSL \u306e\u4ed6\u306b\u3082\u3001<a href=\"https:\/\/www.vpascode.com\/editor\/\">VPasCode<\/a>\u306f\u751f\u306e SQL DDL \u6587\u3092\u76f4\u63a5\u89e3\u6790\u3067\u304d\u308b\u305f\u3081\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u624b\u52d5\u5909\u63db\u306a\u3057\u3067\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u8996\u899a\u7684\u306a ERD \u306b\u76f4\u63a5\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f (FAQ)<\/h2>\n<h3>PlantUML \u306f ERD \u751f\u6210\u306e\u305f\u3081\u306b\u7121\u6599\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044\u3001PlantUML \u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u3059\u3002\u3055\u3089\u306b\u3001VPasCode \u306a\u3069\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u30a6\u30a7\u30d6\u30d9\u30fc\u30b9\u306e\u30b3\u30fc\u30c9\u7de8\u96c6\u3001\u30e9\u30a4\u30d6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001\u753b\u50cf\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3078\u306e\u7121\u6599\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>PlantUML \u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u81ea\u52d5\u7684\u306b ERD \u3092\u751f\u6210\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>PlantUML \u81ea\u4f53\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u5165\u529b\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c4\u30fc\u30eb\u3084 VPasCode \u306a\u3069\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30a8\u30c7\u30a3\u30bf\u306f\u3001SQL \u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u307e\u305f\u306f\u81ea\u7136\u8a00\u8a9e\u306e AI \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u81ea\u52d5\u7684\u306b\u8996\u899a\u7684\u306a ER \u56f3\u3068\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>PlantUML \u3067\u5916\u90e8\u30ad\u30fc\u95a2\u4fc2\u3092\u3069\u306e\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u5c5e\u6027\u5b9a\u7fa9\u306e\u96a3\u306b\u300c<code>&lt;&lt;PK&gt;&gt;<\/code>\u300d\u304a\u3088\u3073\u300c<code>&lt;&lt;FK&gt;&gt;<\/code>\u300d\u3092\u4f7f\u7528\u3057\u3066\u4e3b\u30ad\u30fc\u3068\u5916\u90e8\u30ad\u30fc\u3092\u793a\u3057\u3001\u30ab\u30e9\u30b9\u306e\u8db3\u69cb\u6587\uff08\u4f8b\uff1a\u300c<code>||--o{<\/code>.<\/p>\n","protected":false},"excerpt":{"rendered":"\u306f\u3044\u3001PlantUML \u306f ERD\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u56f3\uff09\u3092\u63cf\u753b\u3067&#8230;","protected":false},"author":4,"featured_media":2231,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Can PlantUML Draw ERD? Complete Guide & Free Tool","_yoast_wpseo_metadesc":"Yes, PlantUML can draw ERDs! Learn PlantUML ERD syntax, crow's foot notation, and how to use a free PlantUML ERD editor with live preview.","inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"source_url":"","fifu_image_url":"","fifu_image_alt":"","_fifu_image_alt":"","fifu_alt":"","_fifu_alt":"","fifu_image_title":"","_fifu_image_title":"","fifu_input_alt":"","vp_image_hash":"","footnotes":""},"categories":[22],"tags":[],"asset-category":[],"class_list":["post-2230","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insights"],"source_url":"","fifu_image_url":"","fifu_image_alt":"","vp_image_hash":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can PlantUML Draw ERD? Complete Guide &amp; Free Tool<\/title>\n<meta name=\"description\" content=\"Yes, PlantUML can draw ERDs! Learn PlantUML ERD syntax, crow&#039;s foot notation, and how to use a free PlantUML ERD editor with live preview.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vpascode.com\/ja\/can-plantuml-draw-erd-complete-guide-free-tool\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can PlantUML Draw ERD? Complete Guide &amp; Free Tool\" \/>\n<meta property=\"og:description\" content=\"Yes, PlantUML can draw ERDs! 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